Findings:

• My Fine Feathered Friends, Chapter 4: In which the Dawn Chorus is Crude
• Standing nervously on a white petroleum storage tank under the brazen March sky
• Standing anxiously on a white petroleum storage tank under the vivid March sky
• petroleum ether
• Hemp biodiesel
• Petroleum distillate
• Liquefied Petroleum Gas
• Organization of Petroleum Exporting Countries
• British Petroleum
• petroleum jelly
• Strategic Petroleum Reserve
• Petroleum
• crude
• The Subtlety and Complexity Behind South Park's Crude Humor
• a crude sense of humor
• Brent Crude
• Crude (user)
• Two Crude Dudes
• crude oil from sawdust
• crude oil
• Light sweet crude
• Someday we will all be crude oil and diamonds

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